//上传logo
function upImg(input){
	var files = input.files[0];
	var img = document.createElement("img");
	img.file = files;
	$(input).parent().get(0).append(img);
	var str = '<div class="upImg">';
	str +='<input type="file" name="uploadFile" accept="image/jpg,image/jpeg,image/png" onchange="upImg(this)"/>';
	str +='<div class="erweimaBg">+</div>';
	var wrap = $('.upImgWrap');
	wrap.append(str);
	var reader = new FileReader();
    reader.onload = (function(aImg) {
      return function(e) {
        aImg.src = e.target.result;
      };
    })(img);
    reader.readAsDataURL(files);
}